function selectChannel(obj)
{
    if('selected' == obj.className){return;}
    var aid = obj.id;
    var qzui = aid.substring(0,aid.length-1);
    var aIdArr = [document.getElementById(qzui+'1'),document.getElementById(qzui+'2'),document.getElementById(qzui+'3')];
    var htmlIdArr = [document.getElementById(qzui+'1_html'),document.getElementById(qzui+'2_html'),document.getElementById(qzui+'3_html')];
    var htmlId = aid+'_html';
    var spimg1 = document.getElementById(qzui+'s1');
    var spimg2 = document.getElementById(qzui+'s2');
    for(i=0;i<3;i++)
    {
        if((qzui+(i+1))==aid){
            obj.className = 'selected';
            htmlIdArr[i].style.display='block';
            if(i==0){spimg1.style.display='none';spimg2.style.display='block';}
            else if(i==1){spimg1.style.display='none';spimg2.style.display='none';}
            else if(i==2){spimg1.style.display='block';spimg2.style.display='none';}
        }else{
            aIdArr[i].className='normal';
            htmlIdArr[i].style.display='none';
        }
    }
}

//s为stock的简写
var sswf1='http://www.cnfstar.com/images/index2/flv-780-80-100.swf',sw1=780,sh1=80;